Modern Home Security

Custom Business Solutions

Our highly trained team will custom design, install and support a full range of Security, Video, Access and Fire solutions to meet your specific needs. Whether you own a small retail store or manage multiple businesses across California, our experts have you covered.

RESIDENTIAL SECURITY

We’ve been in the security business for over 60 years and we’ve seen firsthand the happiness that comes when our clients feel safe in their homes. That’s why we offer custom designed, interactive security solutions with leading technology and service.

COMMERCIAL SECURITY

To protect your commercial business from theft, vandalism, or fire, our trained technicians will custom-design a system that uses cutting edge technology to manage all your security needs. We are here for you and your business all day, every day.

About Post Alarm

Since 1956, Post Alarm Systems has been keeping the people of Southern California safe with custom home and business security solutions. We have a long family tradition of providing uncompromising service focused on protecting our clients, their families, and their properties.